Overview

overview

10

Static

static

membin.exe

windows7_x64

10

membin.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10-01-2021 05:41

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General

  • Target

    membin.exe

  • Size

    68KB

  • MD5

    6cbf9d6d3c60014c52e25c3c6ac3897e

  • SHA1

    89d5c32bfbd07a43217b59118bd603947b91394e

  • SHA256

    391a0255cb43f87a85d4ccbf764e6d261775fc2be791df2ed6fd9a1a3a3e6e76

  • SHA512

    474480299b6428b1ffde64b950054ba27c175c852b420e1c0af66d8fb70c9b232edf955827b8abe62b82462044b79df4e31352ea3fe96bcf4d6f029d2629a3f3

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2019

C2

https://dwajfjaiakdnsandks.com/

https://djsadoiasidnasnf.com/

https://jfsfkjsdfksfjsjafas.com/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 774 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\membin.exe
    "C:\Users\Admin\AppData\Local\Temp\membin.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:532

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\210A.tmp
    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

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  • memory/1260-3-0x00000000029C0000-0x00000000029D6000-memory.dmp
    Filesize

    88KB

    Download